CN219712443U

CN219712443U - Micro-pressure anti-siphon valve

Info

Publication number: CN219712443U
Application number: CN202320192169.6U
Authority: CN
Inventors: 梁纪荣; 许丽明
Original assignee: Shengzhou Cheyuan Bowang Electric Appliance Co ltd
Current assignee: Shengzhou Cheyuan Bowang Electric Appliance Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-09-19
Anticipated expiration: 2033-02-13

Abstract

The utility model provides a micropressure anti-siphon valve, which relates to the field of valves and comprises a valve body, a rubber pipe and a guide pipe, wherein the valve body comprises a valve body pipe with one end being communicated and one end being closed, two ends of the valve body pipe are respectively used for sleeving the guide pipe, at least one water outlet is formed in the side part of the closed end of the valve body pipe, the rubber pipe is sleeved at the closed end of the valve body pipe and covers the water outlet, and a gap is reserved between the rubber pipe and the guide pipe. According to the micro-pressure anti-siphon valve, the rubber pipe is sleeved outside the water outlet, the rubber pipe is jacked up by utilizing water pressure when water is discharged, the rubber pipe is firmly coated outside the water outlet when water flows back, and the rubber pipe is pressed by utilizing external water pressure, so that siphoning and backflow are prevented.

Description

Micro-pressure anti-siphon valve

Technical Field

The utility model relates to the technical field of valves, in particular to a micro-pressure anti-siphon valve.

Background

The check valve is a valve for preventing the medium from flowing backward by automatically opening and closing a valve flap depending on the flow of the medium, and is also called a check valve, a one-way valve, a reverse flow valve, and a back pressure valve. The check valve is an automatic valve and has the main functions of preventing the medium from flowing backwards, preventing the reverse rotation of the pump and the driving motor and preventing the medium in the container from leaking.

However, in the existing check valve, a check diaphragm is usually arranged at the outlet and is propped against the check diaphragm by a spring, but in the use process, water in the outlet pipe often props up the check diaphragm due to siphon effect due to pressure difference between the check diaphragm and the two ends, and flows back from the outlet.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a micropressure anti-siphon valve, which solves the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a micro-pressure anti-siphon valve, includes valve body, rubber tube, pipe, the valve body includes that one end is link up, one end is closed valve body pipe, the pipe is established to the both ends of valve body pipe respectively in the cover, at least one delivery port has been seted up to the closed end lateral part of valve body pipe, the rubber tube cover is at the closed end of valve body pipe and cover the delivery port, leave the space between rubber tube and the pipe.

Preferably, a spacer ring is arranged in the middle of the outer part of the valve body pipe, inlet connection bosses and outlet connection bosses for connecting the guide pipes are arranged on two sides of the spacer ring outside the valve body pipe, and a rubber pipe connection boss for connecting the rubber pipe is arranged at the closed end of the outer part of the valve body pipe.

Preferably, the cross sections of the inlet connection boss, the outlet connection boss and the rubber tube connection boss are all inverted triangles, and the inclined planes of the inlet connection boss, the outlet connection boss and the rubber tube connection boss face the sleeving direction.

Preferably, the outer diameter of the rubber tube connecting boss is smaller than the outer diameter of the outlet connecting boss.

Preferably, the outer diameter of the spacing ring is larger than the outer diameters of the inlet connection boss and the outlet connection boss.

(III) beneficial effects

The utility model provides a micro-pressure anti-siphon valve. The beneficial effects are as follows:

1. according to the micro-pressure anti-siphon valve, the rubber pipe is sleeved outside the water outlet, the rubber pipe is jacked up by utilizing water pressure when water is discharged, the rubber pipe is firmly coated outside the water outlet when water flows back, and the rubber pipe is pressed by utilizing external water pressure, so that siphoning and backflow are prevented.

Drawings

FIG. 1 is a schematic diagram of a valve body and a rubber tube of the present utility model;

FIG. 2 is a schematic view of a valve body structure according to the present utility model;

FIG. 3 is a schematic illustration of a valve body and conduit sleeve of the present utility model;

fig. 4 is an overall cross-sectional view of the present utility model.

In the figure: 1 valve body, 11 valve body pipe, 12 import connection boss, 13 exit connection boss, 14 spacer ring, 15 rubber tube connection boss, 16 delivery port, 2 rubber tube, 3 pipe.

Detailed Description

The embodiment of the utility model provides a micro-pressure anti-siphon valve, which comprises a valve body 1, a rubber pipe 2 and a guide pipe 3, wherein the valve body 1 comprises a valve body pipe 11 with one end being through and one end being closed, as shown in figures 1-4. Wherein the through end is an inlet, and the closed end is an outlet. Two ends of the valve body pipe 11 are respectively used for sleeving the guide pipes 3, and the two guide pipes 3 are water inlet and water outlet.

As shown in fig. 2, at least one water outlet 16 is formed on the side of the closed end of the valve body tube 11, and in this embodiment, the number of water outlets 16 is two, and the two water outlets 16 are symmetrically arranged. The rubber tube 2 is sleeved at the closed end of the valve body tube 11 and covers the water outlet 16, and a gap is reserved between the rubber tube 2 and the guide tube 3.

Through setting up rubber tube 2 cover outside delivery port 16, utilize water pressure to jack up rubber tube 2 during the play water, rubber tube 2 firmly cladding is outside delivery port 16 during the backward flow, uses outside water pressure to push down rubber tube 2, prevents siphon, backward flow.

As shown in fig. 2, a spacer ring 14 is provided at the middle part outside the valve body tube 11, and the spacer ring 14 is used for separating the guide pipes 3 at two sides. The two sides of the valve body pipe 11, which are positioned on the partition ring 14, are provided with an inlet connection boss 12 and an outlet connection boss 13 for connecting the guide pipe 3, and the closed end of the valve body pipe 11 is provided with a rubber pipe connection boss 15 for connecting the rubber pipe 2.

The outer diameter of the specific rubber tube connection boss 15 is smaller than the outer diameter of the outlet connection boss 13. The outer diameter of the spacing ring 14 is larger than that of the inlet connection boss 12 and the outlet connection boss 13.

As shown in fig. 4, the cross sections of the inlet connection boss 12, the outlet connection boss 13 and the rubber tube connection boss 15 are all inverted triangles, and the inclined planes face the sleeving direction. By providing the inverted triangle boss, the guide pipe 3 and the rubber tube 2 can be prevented from being separated from the inlet connection boss 12, the outlet connection boss 13 and the rubber tube connection boss 15.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A micropressure anti-siphon valve, characterized in that: including valve body (1), rubber tube (2), pipe (3), valve body (1) are link up, one end closed valve body pipe (11) including one end, pipe (3) are established to the both ends of valve body pipe (11) are used for the cover respectively, at least one delivery port (16) has been seted up to the closed end lateral part of valve body pipe (11), rubber tube (2) cover is at the closed end of valve body pipe (11) and cover delivery port (16), leave the space between rubber tube (2) and pipe (3).

2. A micro-pressure anti-siphon valve according to claim 1, wherein: the middle part outside valve body pipe (11) is provided with spacer ring (14), the both sides that lie in spacer ring (14) outside valve body pipe (11) are provided with inlet connection boss (12), exit linkage boss (13) that are used for connecting pipe (3), the outer closed end of valve body pipe (11) is provided with rubber tube connection boss (15) that are used for connecting rubber tube (2).

3. A micro-pressure anti-siphon valve according to claim 2, wherein: the cross sections of the inlet connection boss (12), the outlet connection boss (13) and the rubber tube connection boss (15) are all inverted triangles, and the inclined planes of the two connection bosses face the sleeving direction.

4. A micro-pressure anti-siphon valve according to claim 3, wherein: the outer diameter of the rubber tube connecting boss (15) is smaller than that of the outlet connecting boss (13).

5. A micro-pressure anti-siphon valve according to claim 2, wherein: the outer diameter of the spacing ring (14) is larger than the outer diameters of the inlet connection boss (12) and the outlet connection boss (13).